---
description: Generic flat square sapphire for Franck Muller Master Square. 31.76×31.76mm, blue reflective. Scratch-resistant. Compatible, not OEM. Verify size.
title: Generic Franck Muller Master Square Sapphire Crystal 31.76mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2022/04/DSC09720-1.jpg
---
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- **Generic Franck Muller Master Square Sapphire Crystal 31.76mm**
[](https://www.soflypart.com/wp-content/uploads/2022/04/DSC09720-1.jpg)
# Generic Franck Muller Master Square Sapphire Crystal 31.76mm
$75.00
You Saved
| Brand | Choose an option Franck Muller- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $75.00 |
| 3 - 4 | 5% | $71.25 |
| 5 - 9 | 7% | $69.75 |
| 10 - 14 | 10% | $67.50 |
| 15+ | 15% | $63.75 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $75.00 |
| 3 - 4 | 5% | $71.25 |
| 5 - 9 | 7% | $69.75 |
| 10 - 14 | 10% | $67.50 |
| 15+ | 15% | $63.75 |
Generic Franck Muller Master Square Sapphire Crystal 31.76mm quantity
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## Product Description
This generic flat sapphire crystal is compatible with Franck Muller Master Square models, measuring 31.76mm × 31.76mm. Featuring blue reflective coating, it offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
## Features & Function
- Flat square shape minimizes optical distortion for clear dial viewing
- Blue reflective coating reduces glare and adds elegant appearance
- High hardness (9 Mohs) resists daily scratches and wear
- Generic design – always verify dimensions with original glass
## Specifications
- Length: 31.76 mm
- Width: 31.76 mm
- Coating: Blue reflective
- Shape: Flat Square
- Material: Synthetic sapphire
- Compatible Series: Franck Muller Master Square
## Applications
- Replacement crystal for Franck Muller Master Square watches
- Suitable for luxury square watch restoration
## FAQs
*1.Is this an original Franck Muller part?*
No, it is a generic compatible crystal, not OEM.
*2.Will it fit my Master Square watch perfectly?*
Only if your watch uses exactly 31.76mm square glass; measure before purchase.
*3.Is the blue reflective coating scratch-resistant?*
The coating is durable but may scratch over time; the sapphire underneath remains hard.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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